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COAL DUST REMOVAL AND COAL TRANSPORTATION SYSTEM

  • US 3,743,356 A
  • Filed: 01/27/1972
  • Issued: 07/03/1973
  • Est. Priority Date: 01/27/1972
  • Status: Expired due to Term
First Claim
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1. A coal dust removal and coal transport system comprising:

  • a longitudinal mobile frame member;

    a hood enclosing said frame member and having front and rear openings;

    a rotary ripper-type cutter means disposed at the forward end of said frame member adjacent said front opening and mounted on said frame member for angular movement about a horizontal axis extending transversely of said frame member;

    conveyor means positioned on said frame member and extending longitudinally from the front of said frame member adjacent said cutter means;

    said cutter means operable to dislodge coal from the working mine face and to direct said dislodged coal on said conveyor means;

    said conveyor means operable to convey said dislodged coal rearwardly;

    breaker means and crusher means mounted on said frame member;

    said conveyor means terminating at said breaker and crusher means and depositing the conveyed coal therein for pulverizing by said breaker and crusher means;

    an auger-type conveyor screw mounted longitudinally in the lower portion of the hood enclosure and exiting through said rear hood opening;

    said pulverized coal falling by gravity to form a stream of coal particles in said conveyor screw;

    a chamber formed at the rear of said hood enclosure and exiting through said rear hood opening;

    a suction fan assembly mounted in said chamber for handling the incoming coal dust laden air generated from the mining and processing operations;

    a combination flexible/rigid pipeline connected with said rear hood opening;

    said collected coal dust laden air and said screw conveyed coal particle stream forming a suspended stream of an air and coal mixture in said pipeline; and

    means for operatively driving said cutter means, said conveyor means, said breaker means, said crusher means, said suction fan-assembly and said conveyor screw.

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